RU2016141916A - Способ получения катализатора и сам катализатор - Google Patents

Способ получения катализатора и сам катализатор Download PDF

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RU2016141916A
RU2016141916A RU2016141916A RU2016141916A RU2016141916A RU 2016141916 A RU2016141916 A RU 2016141916A RU 2016141916 A RU2016141916 A RU 2016141916A RU 2016141916 A RU2016141916 A RU 2016141916A RU 2016141916 A RU2016141916 A RU 2016141916A
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particles
catalyst
inorganic binder
zeolite
catalytically active
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RU2016141916A
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RU2016141916A3 (ru
RU2712077C2 (ru
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Юрген БАУЭР
Ральф ДОТЦЕЛЬ
Йорг Вернер МЮНХ
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Джонсон Мэтти Паблик Лимитед Компани
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Publication of RU2016141916A3 publication Critical patent/RU2016141916A3/ru
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J35/56—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B01D53/9486—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing hydrocarbons
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    • B01J21/16—Clays or other mineral silicates
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    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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    • B01J29/58—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors

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  • Chemical & Material Sciences (AREA)
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  • Organic Chemistry (AREA)
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  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Ceramic Engineering (AREA)
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  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (10)

1. Способ получения экструдированного катализатора, в котором композицию катализатора экструдируют с получением тела катализатора, где, чтобы получить желаемые реологические свойства композиции катализатора, последняя содержит фракцию неорганического связующего, которая каталитически неактивна в исходном состоянии и образована из, по меньшей мере, одного связующего компонента, состоящего из индивидуальных частиц, и, по меньшей мере, часть фракции неорганического связующего обрабатывают, чтобы развить каталитическую активность.
2. Способ по п. 1, в котором каталитически активный компонент примешивают, в добавление к связующей фракции, к композиции катализатора.
3. Способ по п. 2, в котором данный каталитически активный компонент выбирают из цеолита и молекулярного сита.
4. Способ по п. 2, в котором частицы, по меньшей мере, одного неорганического связующего компонента не имеют цеолитной структуры решетки в каталитически неактивном, исходном состоянии.
5. Способ по п. 2, в котором частицы по меньшей мере одного неорганического связующего компонента имеют пористую структуру.
6. Способ по п. 5, в котором частицы имеют большую ширину пор по сравнению с цеолитом.
7. Способ по п. 6, в котором частицы, по меньшей мере, одного неорганического связующего компонента покрывают каталитически активным слоем, в частности цеолитным слоем.
8. Способ по п. 7, в котором каталитически активный слой имеет толщину слоя, которая меньше, чем 20% диаметра частиц и, в частности, находится в интервале от 0,5 мкм до 10 мкм.
9. Способ по п. 8, в котором частицы, по меньшей мере, одного неорганического связующего компонента преобразуют, сохраняя их форму частиц, таким образом, что они, по меньшей мере, частично имеют цеолитную структуру решетки.
10. Катализатор, полученный с помощью способа по п. 1.
RU2016141916A 2014-03-27 2015-03-27 Способ получения катализатора и сам катализатор RU2712077C2 (ru)

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RU2016141916A3 (ru) 2018-09-24
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WO2015145181A1 (en) 2015-10-01
US20170144143A1 (en) 2017-05-25
US10226765B2 (en) 2019-03-12
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